Home / 85,533.02-128,321.40-35,596.52

Finding the Fourth Proportional to 85,533.02, 128,321.40 and 35,596.52

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Solution

The fourth proportional to 85,533.02, 128,321.40 and 35,596.52 is: 53,403.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,533.02 : 128,321.40 = 35,596.52 : x
  2. Step 2: Convert to fraction form
    85,533.02/128,321.40 = 35,596.52/x
  3. Step 3: Cross multiply
    85,533.02x = 128,321.40 × 35,596.52
  4. Step 4: Simplify right side
    85,533.02x = 4,567,795,281.53
  5. Step 5: Solve for x
    x = 4,567,795,281.53/85,533.02
  6. Step 6: Final answer
    x = 53,403.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.